Door lock



FIG. 1 is a front perspective view of a door lock of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view taken along the line 8-8 in FIG. 2 ; and,

FIG. 9 is a cross-sectional view taken along the line 9-9 in FIG. 2 .

The broken lines in the drawings represent portions of the door lock that form no part of the claimed design. 

CLAIM We claim the ornamental design for a door lock, as shown and described. 